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US3218452A Expired / Lapsed US ⏱️ 0.0 years remaining

Railway track switch control system

Assignee: SPX Technologies Inc
•
Filing: 1960-11-03
•
Granted: 1965-11-16
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Expires: 1980-11-03
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Abstract

No abstract record available.

Inventors

  • 👤 Hughson J Donald

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-04 16:33
CPC Classifications
B; B61; B61L; B61L11/00; B61L11/08; B61L25/00; B61L25/02; B61L25/04

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 194 words
A RAILWAY TRACK SWITCH CONTROL SYSTEM FOR CONTROLLING THE OPERATION OF THE TRACK SWITCHES OF A SWITCHING AREA IN ACCORDANCE WITH THE DESIRED ROTATING OF A RAILWAY VEHICLE THROUGH SAID SWITCHING AREA COMPRISING, A SOURCE OF POWER CARRIED BY SAID RAILWAY VEHICLE, ROUTE REGISTRATION MEANS FOR REGISTERING THE DESIRED ROUTE FOR SAID VEHICLE THROUGH SAID SWITCHING AREA, FIRST TRANSFER MEANS IN ADVANCE OF SAID SWITCHING AREA FOR TRANSFERRING POWER FROM SAID VEHICLE CARRIED POWER SOURCE TO THE WAYSIDE, WAYSIDE MEANS RESPONSIVE TO THE REGISTRATION OF SAID ROUTE REGISTRATION MEANS FOR SELECTIVELY APPLYING THE POWER TRANSFERRED FROM SAID VAHICLE CARRIED POWER SOURCE TO OPERATE THE TRACK SWITCHES OF SAID SWITCHING AREA TO THEIR RESPECTIVE DESIRED POSITIONS FOR ESTABLISHING THE DESIRED ROUTE CALLED FOR BY SAID ROUTE REGISTRATION MEANS, SECOND TRANSFER MEANS DISPOSED WITHIN SAID SWITCHING AREA TO DEFINE A DETECTOR TRACK SECTION AT EACH OF SAID TRACK SWITCHES FOR TRANSFERRING POWER FROM SAID VEHICLE CARRIED POWER SOURCE TO THE WAYSIDE AS LONG AS SAID VEHICLE OCCUPIES A DETECTOR TRACK SECTION, AND PROTECTIVE MEANS EFFECTIVE AS LONG AS POWER IS BEING TRANSFERRED BY SAID SECOND TRANSFER MEANS FOR PREVENTING THE OPERATION OF THE ASSOCIATED TRACK SWITCH.
Claim 2
Dependent Claim 194 words
A RAILWAY TRACK SWITCH CONTROL SYSTEM FOR CONTROLLING THE OPERATION OF THE TRACK SWITCHES OF A SWITCHING AREA IN ACCORDANCE WITH THE DESIRED ROTATING OF A RAILWAY VEHICLE THROUGH SAID SWITCHING AREA COMPRISING, A SOURCE OF POWER CARRIED BY SAID RAILWAY VEHICLE, ROUTE REGISTRATION MEANS FOR REGISTERING THE DESIRED ROUTE FOR SAID VEHICLE THROUGH SAID SWITCHING AREA, FIRST TRANSFER MEANS IN ADVANCE OF SAID SWITCHING AREA FOR TRANSFERRING POWER FROM SAID VEHICLE CARRIED POWER SOURCE TO THE WAYSIDE, WAYSIDE MEANS RESPONSIVE TO THE REGISTRATION OF SAID ROUTE REGISTRATION MEANS FOR SELECTIVELY APPLYING THE POWER TRANSFERRED FROM SAID VAHICLE CARRIED POWER SOURCE TO OPERATE THE TRACK SWITCHES OF SAID SWITCHING AREA TO THEIR RESPECTIVE DESIRED POSITIONS FOR ESTABLISHING THE DESIRED ROUTE CALLED FOR BY SAID ROUTE REGISTRATION MEANS, SECOND TRANSFER MEANS DISPOSED WITHIN SAID SWITCHING AREA TO DEFINE A DETECTOR TRACK SECTION AT EACH OF SAID TRACK SWITCHES FOR TRANSFERRING POWER FROM SAID VEHICLE CARRIED POWER SOURCE TO THE WAYSIDE AS LONG AS SAID VEHICLE OCCUPIES A DETECTOR TRACK SECTION, AND PROTECTIVE MEANS EFFECTIVE AS LONG AS POWER IS BEING TRANSFERRED BY SAID SECOND TRANSFER MEANS FOR PREVENTING THE OPERATION OF THE ASSOCIATED TRACK SWITCH.

References Cited (Backward Citations)

US1553763A Cited
US1824139A Cited
US2151709A Cited
US2688934A Cited
US2638513A Cited
US2688931A Cited
US2691093A Cited
US2692311A Cited
US2800579A Cited
US2903573A Cited
US2961206A Cited
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US3024357A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1968-11-15 1969-05-17 1969-11-16 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1972-11-15 1973-05-17 1973-11-16 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1976-11-15 1977-05-17 1977-11-16 $7700.00 Window Closed / Lapsed

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